This article addresses the problem of predefined-time attitude takeover control (PTATC) of spacecraft by using cellular satellites with limited inter-satellite communication capacity. To reduce the communication burden in the wireless networks, a dynamic uniform quantizer is employed to quantize the attitude signals and angular velocity signals measured by the sensor cellular satellites (SCSs). Besides, a static uniform quantizer is used to quantize the control torque signal generated by the controller cellular satellite (CCS). A predefined-time quantized attitude control law is designed, which can compensate for the quantization error. The proposed PTATC scheme can reduce the communication burden among the cellular satellites and achieve the desired angular velocity and attitude of the combined spacecraft within the predefined-time on the premise of ensuring the system performance. Under the proposed control law, all the signals in the closed-loop system can converge into a bounded region within a predefined-time. Finally, numerical simulations are presented to illustrate the effectiveness of the proposed scheme.


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    Titel :

    Predefined-time attitude takeover control of spacecraft with quantized states


    Beteiligte:
    Shi, Mingyue (Autor:in) / Wu, Baolin (Autor:in) / Xu, Chuang (Autor:in)


    Erscheinungsdatum :

    2023-08-01


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch